* {
    text-decoration: none;
    list-style: none;
    margin: 0;
    padding: 0;
}
ul,li{ 
    padding:0;
    margin:0;
    list-style:none;
}
.Nav {
    width: 84%;
    height: 150px;
    margin: 0 auto;
    position: relative;
}

.Nav>.logo>img {
    position: absolute;
    top: 30%;
    left: 2%;
}

.logoName {
    width: 250px;
    height: 45px;
    font-weight: 400;
    position: absolute;
    top: 30%;
    left: 8%;
}

.little {
    font-family: Arial;
    font-size: 14px;
    line-height: 22px;
    margin-top: 12px;
    margin-left: 5px;
    padding-bottom: 10px;
    color: rgb(0, 0, 0);
}

.big {
    font-family: Arial;
    font-size: 28px;
    line-height: 20px;
    letter-spacing: 0.5px;
    color: rgb(0, 0, 0);
}

.logoName>.lastLogo {
    color: #fff;
    background-color: #000;
    display: block;
    border-radius: 10px;
    font-size: 14px;
    width: 53px;
    height: 31px;
    line-height: 31px;
    text-align: center;
    position: absolute;
    top: 84%;
    right: -6%;
}

.login{
    width: 84%;
    margin: 0 auto;
    text-align: right;
}


/* 列表 */
#nav1 {
    font-family: SourceHanSansSC-regular;
    height: 791px;
    width: 200px;
    position: relative;
    left: 140px;
    /* top: 144px; */
    
    height: 791px;
    line-height: 20px;
    text-align: center;
    border: 1px solid rgba(187, 187, 187, 1);
    /* border: 1px solid black; */
    
}

#nav1 .nav1{
    position: absolute;
    width: 200px;
}
#nav1 .nav1 ul{
    
    margin: 0px;
    padding: 20px;
    width: 200px;
}
#nav1 .nav1 ul li:hover{
    color: red;
}
#nav1 .nav1 ul li{
    left: 150px;
    top: 163px;
    width: 190px;
    height: 28px;
    color: rgba(16, 16, 16, 1);
    font-size: 18px;
    text-align: left;
    font-family: SourceHanSansSC-regular;
    margin-top: 10px;
    cursor: pointer;
}
.triangle1 {
    position: absolute;
    left: 149px;
    top: 28px;
    /* width: 30px;
    height: 30px;
    background-color: rgba(16, 16, 16, 1); */
    /* display: inline-block; */
    vertical-align:center;
    /* background-image: no-repeat left center; */
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-bottom: 5px;
    
}
.triangle{
    position: absolute;
    display: inline-block;
    left: 144px;
    top: 95px;
    width: 30px;
    height: 30px;
    /* background-color: rgba(16, 16, 16, 1); */
}
.triangle3{
    position: absolute;
    display: inline-block;
    left: 144px;
    top: 210px;
    width: 30px;
    height: 30px;
    /* background-color: rgba(16, 16, 16, 1); */
}
.nav1-first{
    padding-left: 20px;
    /* left: 170px;
    top: 250px;
    width: 37px;
    height: 28px;
    color: rgba(16, 16, 16, 1);
    font-size: 18px;
    text-align: left;
    font-family: SourceHanSansSC-regular; */
}
.nav1-second{
    /* padding-top: 100px; */
    padding-left: 30px;
}
.rightpage{
    width: 75%;
    float: right;
    border: 1px solid black;
}



/* 下拉 */
.menus {
    width: 185px;
    overflow: hidden;
    box-shadow: 1px 1px 4px gray;
    /* border-bottom: 1px solid black;
border-top: 1px solid black; */
    border: 1px solid gray;
    border-radius: 5px;
}

.menu {
    overflow: hidden;
    height: 0px;
    transition: all 0.3s ease;
}

.menu_title {
    width: 200px;
    height: 50px;
    line-height: 50px;
    background: #fafafa;
    color: gray;
    font-size: 18px;
    padding-left: 0px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    font-weight: bold;
    overflow: hidden;
}

.menu_title:hover {
    background: #dedede;
    color: black;
}

.indicator {
    width: 50px;
    height: 50px;
    font-weight: bold;
    position: absolute;
    right: 0px;
    top: 0px;
    transition: all 0.3s ease;
    font-weight: bold;
    text-align: center;
}

.item {
    width: 170px;
    height: 40px;
    line-height: 40px;
    background: gray;
    color: white;
    padding-left: 30px;
    transition: all 0.3s ease;
    cursor: pointer;
    overflow: hidden;
}

.item:hover {
    background: lightblue;
}

.item a {
    width: 170px;
    height: 40px;
    display: block;
    text-decoration: none;
    color: white;
    text-decoration: none;
}

.item_divider {
    width: 322px;
    height: 1px;
    background: white;
    display: block;
    opacity: 0.8;
}

.menu_divider {
    width: 100%;
    height: 1px;
    background: gray;
}

.rightpage{
    /* position: absolute; */
    width: 1000px;
    margin-top: -793px;
    height: 500px;
    border: 0px solid rgba(187, 187, 187, 1);
    margin-right: 150px;
}
.rightpage .bigEvent{
    display: none;
}
.out{
    display: none;
}